2026-08-27T17:00:00Z 通常 気象庁本庁 気象庁 2026-08-28T02:00:00+09:00 2026-08-28T03:00:00+09:00 2026-08-28T21:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、２８日０９時から１２時までは火口から北西方向に降灰が予想されます。 降灰予報（定時） 06 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-08-28T03:00:00+09:00 2026-08-28T06:00:00+09:00 降灰 70 +31.2053+129.9800/+31.2105+130.0000/+31.2000+130.0100/+31.1882+130.0200/+31.1800+130.0280/+31.1716+130.0400/+31.1600+130.0499/+31.1520+130.0600/+31.1400+130.0738/+31.1342+130.0800/+31.1200+130.0931/+31.1127+130.1000/+31.1000+130.1095/+31.0860+130.1200/+31.0800+130.1241/+31.0638+130.1400/+31.0600+130.1431/+31.0400+130.1566/+31.0245+130.1600/+31.0200+130.1618/+31.0000+130.1782/+30.9979+130.1800/+30.9800+130.1958/+30.9729+130.2000/+30.9600+130.2120/+30.9453+130.2200/+30.9400+130.2251/+30.9200+130.2390/+30.9187+130.2400/+30.9000+130.2579/+30.8968+130.2600/+30.8800+130.2767/+30.8741+130.2800/+30.8600+130.2941/+30.8400+130.3000/+30.8200+130.3199/+30.8197+130.3200/+30.8000+130.3395/+30.7800+130.3365/+30.7635+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.7801+130.2800/+30.8000+130.2601/+30.8001+130.2600/+30.8200+130.2401/+30.8204+130.2400/+30.8400+130.2204/+30.8408+130.2200/+30.8600+130.2009/+30.8618+130.2000/+30.8800+130.1816/+30.8823+130.1800/+30.9000+130.1622/+30.9033+130.1600/+30.9200+130.1440/+30.9269+130.1400/+30.9400+130.1266/+30.9507+130.1200/+30.9600+130.1098/+30.9730+130.1000/+30.9800+130.0938/+30.9903+130.0800/+31.0000+130.0676/+31.0139+130.0600/+31.0200+130.0557/+31.0400+130.0420/+31.0439+130.0400/+31.0600+130.0226/+31.0639+130.0200/+31.0800+130.0124/+31.1000+130.0026/+31.1043+130.0000/+31.1200+129.9866/+31.1333+129.9800/+31.1400+129.9760/+31.1600+129.9706/+31.1800+129.9708/+31.2000+129.9713/+31.2053+129.9800/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8199+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2805/+30.8199+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-28T06:00:00+09:00 2026-08-28T09:00:00+09:00 降灰 70 +31.1984+129.9400/+31.1917+129.9600/+31.1800+129.9765/+31.1780+129.9800/+31.1691+130.0000/+31.1600+130.0076/+31.1457+130.0200/+31.1400+130.0250/+31.1246+130.0400/+31.1200+130.0447/+31.1109+130.0600/+31.1000+130.0723/+31.0903+130.0800/+31.0800+130.0858/+31.0674+130.1000/+31.0600+130.1091/+31.0497+130.1200/+31.0400+130.1288/+31.0200+130.1349/+31.0143+130.1400/+31.0000+130.1545/+30.9944+130.1600/+30.9800+130.1729/+30.9709+130.1800/+30.9600+130.1901/+30.9485+130.2000/+30.9400+130.2082/+30.9223+130.2200/+30.9200+130.2223/+30.9000+130.2397/+30.8998+130.2400/+30.8800+130.2594/+30.8796+130.2600/+30.8600+130.2794/+30.8597+130.2800/+30.8400+130.2997/+30.8399+130.3000/+30.8200+130.3199/+30.8193+130.3200/+30.8000+130.3392/+30.7800+130.3352/+30.7648+130.3200/+30.7607+130.3000/+30.7800+130.2806/+30.7801+130.2800/+30.7840+130.2600/+30.8000+130.2440/+30.8025+130.2400/+30.8200+130.2225/+30.8221+130.2200/+30.8400+130.2019/+30.8418+130.2000/+30.8600+130.1813/+30.8614+130.1800/+30.8800+130.1606/+30.8807+130.1600/+30.8991+130.1400/+30.9000+130.1391/+30.9152+130.1200/+30.9200+130.1150/+30.9383+130.1000/+30.9400+130.0981/+30.9565+130.0800/+30.9600+130.0762/+30.9686+130.0600/+30.9800+130.0463/+30.9913+130.0400/+31.0000+130.0307/+31.0131+130.0200/+31.0200+130.0148/+31.0400+130.0010/+31.0417+130.0000/+31.0600+129.9810/+31.0612+129.9800/+31.0800+129.9686/+31.0950+129.9600/+31.1000+129.9547/+31.1200+129.9409/+31.1220+129.9400/+31.1400+129.9283/+31.1600+129.9236/+31.1800+129.9266/+31.1984+129.9400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8199+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2802/+30.8199+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-28T09:00:00+09:00 2026-08-28T12:00:00+09:00 降灰 70 +31.2090+129.9400/+31.2051+129.9600/+31.2000+129.9657/+31.1900+129.9800/+31.1855+130.0000/+31.1800+130.0073/+31.1648+130.0200/+31.1600+130.0224/+31.1450+130.0400/+31.1400+130.0469/+31.1247+130.0600/+31.1200+130.0626/+31.1030+130.0800/+31.1000+130.0826/+31.0800+130.0937/+31.0755+130.1000/+31.0600+130.1190/+31.0589+130.1200/+31.0400+130.1364/+31.0200+130.1393/+31.0193+130.1400/+31.0000+130.1579/+30.9975+130.1600/+30.9800+130.1763/+30.9764+130.1800/+30.9600+130.1952/+30.9522+130.2000/+30.9400+130.2116/+30.9307+130.2200/+30.9200+130.2304/+30.9032+130.2400/+30.9000+130.2432/+30.8800+130.2597/+30.8798+130.2600/+30.8600+130.2796/+30.8598+130.2800/+30.8400+130.2998/+30.8399+130.3000/+30.8200+130.3199/+30.8194+130.3200/+30.8000+130.3393/+30.7800+130.3360/+30.7640+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.7801+130.2800/+30.7903+130.2600/+30.8000+130.2503/+30.8078+130.2400/+30.8200+130.2278/+30.8273+130.2200/+30.8400+130.2073/+30.8474+130.2000/+30.8600+130.1873/+30.8670+130.1800/+30.8800+130.1670/+30.8883+130.1600/+30.9000+130.1480/+30.9095+130.1400/+30.9200+130.1295/+30.9305+130.1200/+30.9400+130.1106/+30.9563+130.1000/+30.9600+130.0960/+30.9740+130.0800/+30.9800+130.0674/+30.9837+130.0600/+31.0000+130.0464/+31.0119+130.0400/+31.0200+130.0323/+31.0349+130.0200/+31.0400+130.0160/+31.0590+130.0000/+31.0600+129.9984/+31.0796+129.9800/+31.0800+129.9798/+31.1000+129.9699/+31.1200+129.9603/+31.1210+129.9600/+31.1400+129.9483/+31.1596+129.9400/+31.1600+129.9398/+31.1800+129.9368/+31.2000+129.9308/+31.2090+129.9400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8198+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2804/+30.8198+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-28T12:00:00+09:00 2026-08-28T15:00:00+09:00 降灰 70 +31.2043+129.9400/+31.2002+129.9600/+31.2000+129.9602/+31.1816+129.9800/+31.1800+129.9867/+31.1781+130.0000/+31.1600+130.0160/+31.1566+130.0200/+31.1400+130.0396/+31.1397+130.0400/+31.1200+130.0571/+31.1176+130.0600/+31.1000+130.0783/+31.0981+130.0800/+31.0800+130.0898/+31.0690+130.1000/+31.0600+130.1112/+31.0517+130.1200/+31.0400+130.1306/+31.0200+130.1357/+31.0149+130.1400/+31.0000+130.1538/+30.9913+130.1600/+30.9800+130.1704/+30.9684+130.1800/+30.9600+130.1882/+30.9437+130.2000/+30.9400+130.2036/+30.9200+130.2197/+30.9197+130.2200/+30.9000+130.2390/+30.8993+130.2400/+30.8800+130.2591/+30.8794+130.2600/+30.8600+130.2793/+30.8597+130.2800/+30.8400+130.2997/+30.8399+130.3000/+30.8200+130.3199/+30.8194+130.3200/+30.8000+130.3393/+30.7800+130.3365/+30.7635+130.3200/+30.7606+130.3000/+30.7800+130.2805/+30.7801+130.2800/+30.7874+130.2600/+30.8000+130.2474/+30.8046+130.2400/+30.8200+130.2246/+30.8240+130.2200/+30.8400+130.2040/+30.8443+130.2000/+30.8600+130.1842/+30.8645+130.1800/+30.8800+130.1644/+30.8850+130.1600/+30.9000+130.1445/+30.9048+130.1400/+30.9200+130.1244/+30.9251+130.1200/+30.9400+130.1050/+30.9472+130.1000/+30.9600+130.0869/+30.9663+130.0800/+30.9759+130.0600/+30.9800+130.0554/+31.0000+130.0431/+31.0058+130.0400/+31.0200+130.0258/+31.0266+130.0200/+31.0400+130.0093/+31.0537+130.0000/+31.0600+129.9914/+31.0741+129.9800/+31.0800+129.9770/+31.1000+129.9693/+31.1200+129.9603/+31.1215+129.9600/+31.1400+129.9521/+31.1600+129.9445/+31.1800+129.9412/+31.1824+129.9400/+31.2000+129.9357/+31.2043+129.9400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8197+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2803/+30.8197+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-28T15:00:00+09:00 2026-08-28T18:00:00+09:00 降灰 70 +31.1636+129.9400/+31.1624+129.9600/+31.1600+129.9633/+31.1512+129.9800/+31.1416+130.0000/+31.1400+130.0019/+31.1227+130.0200/+31.1200+130.0221/+31.1094+130.0400/+31.1000+130.0540/+31.0920+130.0600/+31.0800+130.0667/+31.0705+130.0800/+31.0600+130.0901/+31.0505+130.1000/+31.0400+130.1126/+31.0318+130.1200/+31.0200+130.1271/+31.0000+130.1385/+30.9987+130.1400/+30.9800+130.1578/+30.9781+130.1600/+30.9600+130.1781/+30.9581+130.1800/+30.9400+130.1968/+30.9374+130.2000/+30.9200+130.2167/+30.9175+130.2200/+30.9000+130.2374/+30.8979+130.2400/+30.8800+130.2579/+30.8787+130.2600/+30.8600+130.2787/+30.8595+130.2800/+30.8400+130.2995/+30.8399+130.3000/+30.8200+130.3199/+30.8192+130.3200/+30.8000+130.3392/+30.7800+130.3366/+30.7634+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.7801+130.2800/+30.7841+130.2600/+30.8000+130.2441/+30.8025+130.2400/+30.8200+130.2225/+30.8220+130.2200/+30.8400+130.2020/+30.8418+130.2000/+30.8600+130.1815/+30.8615+130.1800/+30.8800+130.1610/+30.8811+130.1600/+30.8975+130.1400/+30.9000+130.1374/+30.9183+130.1200/+30.9200+130.1183/+30.9351+130.1000/+30.9400+130.0948/+30.9511+130.0800/+30.9600+130.0700/+30.9661+130.0600/+30.9800+130.0415/+30.9825+130.0400/+31.0000+130.0215/+31.0020+130.0200/+31.0200+130.0067/+31.0308+130.0000/+31.0400+129.9889/+31.0510+129.9800/+31.0600+129.9732/+31.0788+129.9600/+31.0800+129.9588/+31.1000+129.9446/+31.1143+129.9400/+31.1200+129.9376/+31.1400+129.9313/+31.1600+129.9356/+31.1636+129.9400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8195+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2803/+30.8195+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-28T18:00:00+09:00 2026-08-28T21:00:00+09:00 降灰 70 +31.1657+129.9400/+31.1617+129.9600/+31.1600+129.9620/+31.1497+129.9800/+31.1400+129.9957/+31.1379+130.0000/+31.1200+130.0182/+31.1185+130.0200/+31.1049+130.0400/+31.1000+130.0479/+31.0814+130.0600/+31.0800+130.0607/+31.0672+130.0800/+31.0600+130.0870/+31.0460+130.1000/+31.0400+130.1074/+31.0258+130.1200/+31.0200+130.1233/+31.0000+130.1346/+30.9959+130.1400/+30.9800+130.1556/+30.9755+130.1600/+30.9600+130.1743/+30.9548+130.1800/+30.9400+130.1945/+30.9353+130.2000/+30.9200+130.2152/+30.9158+130.2200/+30.9000+130.2356/+30.8969+130.2400/+30.8800+130.2568/+30.8782+130.2600/+30.8600+130.2782/+30.8594+130.2800/+30.8400+130.2994/+30.8398+130.3000/+30.8200+130.3198/+30.8189+130.3200/+30.8000+130.3389/+30.7800+130.3349/+30.7651+130.3200/+30.7606+130.3000/+30.7800+130.2805/+30.7801+130.2800/+30.7830+130.2600/+30.8000+130.2430/+30.8018+130.2400/+30.8200+130.2218/+30.8215+130.2200/+30.8400+130.2014/+30.8413+130.2000/+30.8600+130.1809/+30.8609+130.1800/+30.8800+130.1601/+30.8802+130.1600/+30.8948+130.1400/+30.9000+130.1345/+30.9111+130.1200/+30.9200+130.1111/+30.9305+130.1000/+30.9400+130.0895/+30.9499+130.0800/+30.9600+130.0695/+30.9650+130.0600/+30.9800+130.0407/+30.9810+130.0400/+30.9963+130.0200/+31.0000+130.0161/+31.0199+130.0000/+31.0200+129.9999/+31.0370+129.9800/+31.0400+129.9763/+31.0600+129.9638/+31.0656+129.9600/+31.0800+129.9474/+31.0934+129.9400/+31.1000+129.9344/+31.1200+129.9287/+31.1400+129.9238/+31.1600+129.9298/+31.1657+129.9400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8196+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2802/+30.8196+130.3000/ 北西 1 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、２８日０９時から１２時までは火口から北西方向に降灰が予想されます。 　２８日３時から２８日２１時までに噴火が発生した場合には、以下の方向・距離に降灰及び小さな噴石の落下が予想されます。 　 　時刻　　　　　　　　　　　　火口からの方向　降灰の距離　小さな噴石の距離 　２８日０３時から０６時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　２８日０６時から０９時まで　北西　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　２８日０９時から１２時まで　北西　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　２８日１２時から１５時まで　北西　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　２８日１５時から１８時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　２８日１８時から２１時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　 　期間中に噴火が発生した場合には、以下の市町村に降灰が予想されます。 　鹿児島県：三島村 　 　噴煙が火口縁上１０００ｍまで上がった場合の火山灰及び小さな噴石の落下範囲を示しています。 　噴火発生時、小さな噴石の落下が予想される範囲内では、屋内や頑丈な屋根の下などに移動してください。